To be stalefished is to be completely confused by another’s actions. When caught in the action of being stalefished one's eyebrows become unbalanced followed by the dropping of the jaw. Being stalefished is usually caused by witnessing a very stupid and inexplicable action.

It is when a male masturbates standing up with the jerking arm passed under his corresponding leg, thus mimicking a skateboarder performing a stalefish on his board. This is truly an act worthy of masturbatory merit and is reserved for the seasoned jackers only.

Curious to try new wack-tactics that he read about online, Alvin's stalefish session ended quite abruptly when he lost his balance and broke his wrist. The emergency room doctors are still scratching their heads in disbelief.